612620 has 12 divisors (see below), whose sum is σ = 1286544. Its totient is φ = 245040.

The previous prime is 612613. The next prime is 612637. The reversal of 612620 is 26216.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15296 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (107212).

2⁶¹²⁶²⁰ is an apocalyptic number.

It is an amenable number.

612620 is an abundant number, since it is smaller than the sum of its proper divisors (673924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612620 is a wasteful number, since it uses less digits than its factorization.

612620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640 (or 30638 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 612620 is about 782.7004535581. The cubic root of 612620 is about 84.9305083699.

Adding to 612620 its reverse (26216), we get a palindrome (638836).

The spelling of 612620 in words is "six hundred twelve thousand, six hundred twenty".